*{box-sizing:border-box}:root{--bg-primary: #0f0f13;--bg-surface: #1a1a24;--bg-elevated: #242432;--text-primary: #ffffff;--text-secondary: #a8a8b8;--accent: #6366f1;--accent-hover: #818cf8;--success: #22c55e;--danger: #ef4444}body{margin:0;padding:20px;background-color:var(--bg-primary);color:var(--text-primary);font-family:system-ui,-apple-system,sans-serif}#app{max-width:1200px;margin:0 auto;display:flex;flex-direction:column;gap:20px}.panel{background:var(--bg-surface);border:1px solid var(--bg-elevated);border-radius:8px;padding:16px}header#connection-bar{display:flex;justify-content:space-between;align-items:center}header .left,header .right{display:flex;align-items:center;gap:16px}.btn{background-color:var(--bg-elevated);color:var(--text-primary);border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-weight:600}.btn.primary{background:var(--accent)}.btn.primary:hover{background:var(--accent-hover)}.badge{background-color:var(--bg-elevated);padding:4px 8px;border-radius:4px;font-size:.9em}.hidden{display:none!important}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}.log-container{background:#000;color:#a3e635;font-family:monospace;height:200px;overflow-y:auto;padding:10px;border-radius:4px;font-size:13px}.log-tx{color:#60a5fa}.log-rx{color:#34d399}.setting-group{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}.setting-group label{font-weight:500;font-size:.95em;color:var(--text-secondary)}.setting-group select,.setting-group input[type=range]{width:100%;padding:8px;background-color:var(--bg-elevated);color:var(--text-primary);border:1px solid #3a3a4a;border-radius:4px}.setting-group.toggle{flex-direction:row;justify-content:space-between;align-items:center}.radio-group{display:flex;gap:12px}.radio-group label{display:flex;align-items:center;gap:4px;cursor:pointer;color:var(--text-primary)}hr{border:0;height:1px;background-color:var(--bg-elevated);margin:20px 0}.dpi-stage-row{display:flex;align-items:center;gap:10px;margin-bottom:10px;padding:8px;background:var(--bg-primary);border-radius:4px}.dpi-stage-row.active{border-left:3px solid var(--accent)}.dpi-stage-row input[type=number]{width:80px;padding:4px;background-color:var(--bg-elevated);color:#fff;border:1px solid #3a3a4a;border-radius:4px}.toggle-switch{position:relative;flex-shrink:0;display:inline-block;width:44px;height:24px}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--bg-elevated);transition:.3s;border-radius:24px;border:1px solid #3a3a4a}.toggle-slider:before{position:absolute;content:"";height:18px;width:18px;left:2px;bottom:2px;background-color:var(--text-secondary);transition:.3s;border-radius:50%}input:checked+.toggle-slider{background-color:var(--accent);border-color:var(--accent)}input:checked+.toggle-slider:before{transform:translate(20px);background-color:#fff}.setting-desc{font-size:.8em;color:var(--text-secondary);margin-top:-4px;line-height:1.3}.setting-group.toggle>div{flex:1;padding-right:16px}.spinner{border:4px solid var(--bg-elevated);border-top:4px solid var(--accent);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}select{-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a8a8b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 4px center;background-size:16px;padding-right:40px!important}